<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <script src="../reactBag/react.development.js"></script>
    <script src="../reactBag/react-dom.development.js"></script>
    <script src="../reactBag/babel.min.js"></script>
    <script src="../reactBag/prop-types.js"></script>
</head>

<body>
    <div id="app"></div>

    <script type="text/babel">

        class App extends React.Component{
            state = {
                name : 'wang',
                age : 18,
                hobby : 'wan' 
            }
            render() {
                const {name,age,hobby} = this.state
                return <div>
                    
                        姓名：<input type="text" value ={name} onChange = {this.getEle('name')}/>
                        <br/>
                        年龄：<input type="text" value ={age} onChange = {this.getEle('age')}/>
                        <br/>
                        爱好：<input type="text" value ={hobby} onChange = {this.getEle('hobby')}/>
                        <br/>
                        <button onClick = {this.fn}>请点击</button>
                    
                      </div>
            }
            getEle = (data) => {
                return (e) => {
                    const {value} = e.target;
                    this.setState({[data] : value})
                }
            }


            fn = () => {
                const {name,age,hobby} = this.state
                const changeAge = Number(age)
                console.log(name,changeAge,hobby);
            }
        }
        ReactDOM.createRoot(document.getElementById('app')).render(<App/>)
    </script>
</body>
</html>